文献类型： 外文期刊
作者： Yang, Yunyao 1 ; Liu, Xuping 2 ; Hu, Zenghui 2 ; Zhang, Yongchun 1 ; Yu, Haiyang 3 ; Yang, Liuyan 1 ; Leng, Pingsheng 2 ;
作者机构： 1.Shanghai Acad Agr Sci, Forest & Fruit Tree Res Inst, Shanghai 201403, Peoples R China
2.Beijing Univ Agr, Coll Landscape Architecture, Beijing 102206, Peoples R China
3.Yangtze Univ, Coll Hort & Gardening, Jingzhou 434025, Peoples R China
关键词： LiSRM1; Monoterpene; Negative regulation; Lilium
期刊名称：PLANT PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：5.7； 五年影响因子：6.4 ）
ISSN： 0981-9428
年卷期： 2024 年 216 卷
页码：
收录情况： SCI
摘要： Lilium 'Siberia' is a commercially significant cut flower worldwide with an elegant shape and appealing scent, originating from the release of monoterpenes. However, the regulatory mechanism underlying lily monoterpenes has been largely unexplored. Here, a MYB transcription factor from 'Siberia' petals, LiSRM1, whose expression was negatively associated with monoterpene release. Subcellular localization analysis indicated that LiSRM1 was localized to the nucleus. A virus-induced gene silencing (VIGS) assay showed that silencing of LiSRM1 not only significantly increased the synthesis of linalool and ocimene, but also elevated the expression of LiLiS and LiOcS, respectively. Transient overexpression of LiSRM1 exerted opposite effects. Furthermore, yeast one-hybrid assays (Y1H) and dual-luciferase assays (LUC) demonstrated that LiSRM1 directly bound the promoters of LiLiS and LiOcS, respectively, and repressed their expression. Taken together, the results suggested that LiSRM1 negatively regulated monoterpene release and mediated the expression of LiLiS and LiOcS in Lilium.
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